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A record-based logical model is a way of organizing and storing data in a database system. In this model, data is structured into records, which consist of fields or attributes that hold specific pieces of information. Each record is unique and identifiable by a primary key, allowing for efficient retrieval and manipulation of data. Examples of record-based logical models include relational databases and XML databases.
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What is a logical interpretation based on observation?
A logical interpretation based on observation is a conclusion drawn from facts or evidence that aligns with reasoning and common sense. It relies on the information gathered through observation to draw a valid and sound conclusion that is supported by a logical process of thinking.
What is A logical interpretation based on what scientists already know is?
Hypothesis.An inference.Hypothesis
How can table data be arranged into a logical order?
Table data can be arranged into a logical order by organizing it based on a common theme or category. This can be done by sorting the data alphabetically, numerically, chronologically, or based on any other relevant criteria. Additionally, grouping related data together and using headers and labels can help establish a logical structure for the table.
What is the Lotka-Volterra Model?
1. Is based on the geometric model of population growth 2. Does not incorporate density dependence 3. Extend model to two species-populations
How does the atomic model you used today differ from Bohr model?
The modern atomic model is based on quantum mechanics.
What is a record-based data model?
-> A record based data model is used to specify the overall logical structure of the database.-> In this model the database consists of a no. of fixed formats of different types.-> Each record type defines a fixed no. of fields having a fixed length.-> There are 3 principle types of record based data model. They are :1. Hierarchical data model.2. Network data model.3. Relational data model.
What Logical record and physical record?
In record design we distinguish between logical and physical records. LOGICAL RECORDS: A logical record maintains a logical relationship among all the data items in the records.It is the way the programmer or user sees the data.IN CONTRAST, A PHYSICAL RECORD is the way data are recorded on a storage medium.The programmer doesnt know about the physical map on the disk.The software presents the logical record in the required sequence.The capability is unique to the data base design. This question is answered by Silpa Sonali Sahoo.I request all the User if you can give some extra knoweldge/idea based on the discussed topic then you are most welcome.
What is difference between logical file and physical file?
* Physical file (PF) contains the data and have only one record format. Logical file (LF) is a view of the physical file which does not contain any data may be based on one physical file or more then one physical file. Logical file can have more then one record format. Logical can be non join or join logical file. Performance becomes better if you use the logical file in the program.
What is a logical conclusion based on observation called?
An inference is a conclusion based on logical reasoning.
Difference between Object-based Data Model and Record-based Data Model?
Object-based data model represents data as objects with attributes and methods, providing a way to model real-world entities in a programming language like Java. On the other hand, record-based data model organizes data into fixed-format records or tuples, typically used in databases like SQL to store and retrieve structured information. Object-based data model offers a more dynamic and flexible way to represent data compared to the rigid structure of record-based models.
Define data models and list different types of data models?
A data model is a collection of concepts that can be used to describe the structure of a database and provides the necessary means to achieve this abstraction whereas structure of a database means the data types,relationships and constraints that should hold on the data. Data model are divided into three different groups they are 1)object based logical model 2)record based logical models 3)physical models Types: Entity-Relationship (E-R) Data Model Object-Oriented Data Model Physical Data Model functional data model
Information about where logical drive is located is called?
Master Boot record
Difference between conceptual level and record based model?
I don't know, sorry but go to ask.com, that website might have an answer
Why is it important to develop a logical model of a proposed system before generating a technical architecture?
1. Why is important to develop a logical model of proposed system before generating a technical architecture
Orderly thinking based on set principles?
Logical.
Is math logical?
Yes, math is considered logical because it follows a set of rules and principles that are based on reasoning and evidence.
What is a word for a Logical conclusion based on gathered information?
*Inference*
